clk: meson: meson8b: mark clk81 as critical

Disabling clk81 results in an immediate freeze of the whole system. This
can happen "accidentally" when the last child-clock of clk81 is disabled
(in this case the common clock framework also disables clk81, even if it
was only enabled indirectly before).

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>

diff --git a/drivers/clk/meson/meson8b.c b/drivers/clk/meson/meson8b.c
index e998550..9d1aaf6 100644 (file)
--- a/drivers/clk/meson/meson8b.c
+++ b/drivers/clk/meson/meson8b.c
@@ -399,7 +399,7 @@ struct clk_gate meson8b_clk81 = {
                .ops = &clk_gate_ops,
                .parent_names = (const char *[]){ "mpeg_clk_div" },
                .num_parents = 1,
-               .flags = (CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED),
+               .flags = (CLK_SET_RATE_PARENT | CLK_IS_CRITICAL),
        },
 };